The current metro area population of Boston in 2025 is 4,396,000, a 0.66% increase from 2024.

• The metro area population of Boston in 2024 was 4,367,000, a 0.53% increase from 2023.
• The metro area population of Boston in 2023 was 4,344,000, a 0.39% increase from 2022.
• The metro area population of Boston in 2022 was 4,327,000, a 0.28% increase from 2021.